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ES2083434T3 - METHOD AND APPARATUS TO DETECT THE LEVEL OF CAST METAL. - Google Patents

METHOD AND APPARATUS TO DETECT THE LEVEL OF CAST METAL.

Info

Publication number
ES2083434T3
ES2083434T3 ES90309880T ES90309880T ES2083434T3 ES 2083434 T3 ES2083434 T3 ES 2083434T3 ES 90309880 T ES90309880 T ES 90309880T ES 90309880 T ES90309880 T ES 90309880T ES 2083434 T3 ES2083434 T3 ES 2083434T3
Authority
ES
Spain
Prior art keywords
cast metal
level
coil
detect
mold
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES90309880T
Other languages
Spanish (es)
Inventor
Yoichi Naganuma
Masaki Motomura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP1243117A external-priority patent/JPH03105219A/en
Priority claimed from JP1260690A external-priority patent/JPH03122526A/en
Priority claimed from JP1277667A external-priority patent/JPH03138536A/en
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Application granted granted Critical
Publication of ES2083434T3 publication Critical patent/ES2083434T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/20—Controlling or regulating processes or operations for removing cast stock
    • B22D11/201—Controlling or regulating processes or operations for removing cast stock responsive to molten metal level or slag level
    • B22D11/205—Controlling or regulating processes or operations for removing cast stock responsive to molten metal level or slag level by using electric, magnetic, sonic or ultrasonic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/26—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

METODO PARA DETECTAR EL NIVEL DE METAL FUNDIDO (1) QUE HAY DENTRO DE UN MOLDE (2, 3), COMPRENDIENDO EL METODO LAS FASES DE DISPONER UNA BOBINA (4) DE TRANSMISION Y UNA BOBINA (7) DE RECEPCION EN OPOSICION ENTRE SI CON EL MOLDE (2, 3) INTERPUESTO ENTRE ELLAS, APLICANDO UN VOLTAJE (5) DE CA A LA BOBINA (4) DE TRANSMISION PARA PRODUCIR FLUJO MAGNETICO ALTERNATIVO, CON LO QUE AL MENOS UNA PARTE DEL FLUJO MAGNETICO PASA A TRAVES DEL MOLDE (2, 3) Y EL METAL FUNDIDO (1), SI LO HUBIERA, Y ALCANZA LA BOBINA (7) DE RECEPCION, Y DETERMINANDO EL NIVEL DEL METAL FUNDIDO (1) SOBRE LA BASE DE, AL MENOS, UNO DE UN VALOR DE VOLTAJE Y UNA FASE DE UNA SEÑAL DE CA INDUCIDA EN LA BOBINA (7) DE RECEPCION MEDIANTE EL FLUJO MAGNETICO ALTERNATIVO, Y UN APARATO PARA REALIZAR EL METODO ANTERIOR.METHOD TO DETECT THE LEVEL OF CAST METAL (1) THAT IS INSIDE A MOLD (2, 3), THE METHOD INCLUDING THE STAGES OF HAVING A COIL (4) OF TRANSMISSION AND A RECEPTION COIL (7) IN OPPOSITION BETWEEN WITH THE MOLD (2, 3) INTERPOSED BETWEEN THEM, APPLYING AN AC VOLTAGE (5) TO THE TRANSMISSION COIL (4) TO PRODUCE ALTERNATIVE MAGNETIC FLOW, THEREFORE AT LEAST A PART OF THE MAGNETIC FLOW PASSES THROUGH THE MOLD (2 , 3) AND THE CAST METAL (1), IF ANY, AND THE RECEIVING COIL (7) REACHES, AND DETERMINING THE LEVEL OF THE CAST METAL (1) ON THE BASIS OF, AT LEAST, ONE OF A VOLTAGE VALUE AND A PHASE OF AN INDUCED AC SIGNAL IN THE RECEPTION COIL (7) THROUGH THE ALTERNATIVE MAGNETIC FLOW, AND AN APPARATUS TO PERFORM THE PREVIOUS METHOD.

ES90309880T 1989-09-19 1990-09-10 METHOD AND APPARATUS TO DETECT THE LEVEL OF CAST METAL. Expired - Lifetime ES2083434T3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1243117A JPH03105219A (en) 1989-09-19 1989-09-19 Detection of level of molten metal
JP1260690A JPH03122526A (en) 1989-10-05 1989-10-05 Detection of level of molten metal
JP1277667A JPH03138536A (en) 1989-10-25 1989-10-25 Method for detecting top surface position of molten metal

Publications (1)

Publication Number Publication Date
ES2083434T3 true ES2083434T3 (en) 1996-04-16

Family

ID=27333108

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90309880T Expired - Lifetime ES2083434T3 (en) 1989-09-19 1990-09-10 METHOD AND APPARATUS TO DETECT THE LEVEL OF CAST METAL.

Country Status (7)

Country Link
US (1) US5103893A (en)
EP (1) EP0419104B1 (en)
KR (1) KR930007115B1 (en)
AU (1) AU618686B2 (en)
CA (1) CA2025187C (en)
DE (1) DE69025445T2 (en)
ES (1) ES2083434T3 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5298887A (en) * 1991-10-04 1994-03-29 Sentech Corporation Molten metal gauging and control system employing a fixed position capacitance sensor and method therefor
EP0648562B1 (en) * 1993-10-16 1998-12-23 Müller Weingarten AG Injection moulding machine or die casting machine
US5588324A (en) * 1994-06-14 1996-12-31 Speranza; Bernard E. Method for determining the level of a submerged layer of liquified material
KR100405525B1 (en) * 1998-12-09 2004-03-22 주식회사 포스코 Surface Detection Device in Electromagnetic Continuous Casting
RU2194952C1 (en) * 1999-07-16 2002-12-20 Поханг Айрон Энд Стил Ко. Лтд. Gear measuring level of molten metal in electromagnetic process of continuous casting and method measuring level of molten metal
DE10033656A1 (en) * 2000-07-11 2002-01-24 Sms Demag Ag Method and continuous casting device with a device for measuring the mold level for liquid metal, in particular for liquid steel
FR2816403B1 (en) * 2000-11-08 2002-12-20 Commissariat Energie Atomique DEVICE FOR ELECTROMAGNETIC DETECTION OF THE LEVEL OF A MATERIAL WHICH IS CONDUCTIVE OR MADE CONDUCTIVE, IN PARTICULAR MOLTEN GLASS
US6577118B2 (en) * 2001-02-02 2003-06-10 B.D.H. Industries Inc. System and method for measuring liquid metal levels or the like
NO20011620L (en) * 2001-03-29 2002-09-30 Hammer As Method and apparatus for monitoring chemical reactions
FR2945118B1 (en) * 2009-04-29 2011-06-17 Avemis SENSOR AND METHOD FOR MEASURING THE LEVEL OF THE SURFACE OF A LIQUID PHASE METAL
IT1401233B1 (en) * 2010-07-14 2013-07-12 Danieli Automation Spa DEVICE FOR DETECTION OF LEVEL IN A CASTING EQUIPMENT AND ITS RELEVANT DETECTION PROCEDURE.
IT1401387B1 (en) * 2010-08-09 2013-07-18 Danieli Automation Spa DEVICE FOR DETECTION OF LIQUID METAL LEVEL IN A CASTING EQUIPMENT AND ITS PROCEDURE
DE102010034663A1 (en) 2010-08-18 2012-02-23 Universität Bremen Method for fiber optical measurement of filling level of e.g. molten steels in melting furnace, involves detecting signal sequence of heat radiation and determining reference height of liquid to determine filling level of liquid
EP3380818A1 (en) * 2015-11-24 2018-10-03 Danieli Corus BV A method and a system measuring liquid and solid materials in the process of converting iron to steel in metallurgical vessels or furnaces
DE102017111722A1 (en) * 2017-05-30 2018-12-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. METHOD AND DEVICE FOR CHARACTERIZING AN OBJECT, METHOD AND DEVICE FOR DETERMINING A COMPOSITION OF AN OBJECT, AND METHOD AND DEVICE FOR DETECTING AN ELECTRICALLY CONDUCTIVE AND / OR MAGNETIC PERMEABLE OBJECT
EP3973254A1 (en) * 2019-05-23 2022-03-30 Ecolab USA, Inc. Tank module and liquid providing apparatus with such a tank module
US11511070B2 (en) * 2019-09-12 2022-11-29 GE Precision Healthcare LLC Systems and method for an inductive anesthetic agent level sensor

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB834783A (en) * 1955-05-26 1960-05-11 United Steel Companies Ltd Improvements relating to apparatus for controlling the continuous casting of metals
US3157048A (en) * 1961-07-03 1964-11-17 Trans Sonics Inc Digital tank gaging system
SE403655B (en) * 1976-05-20 1978-08-28 Atomenergi Ab DEVICE FOR ELECTROMAGNETIC SATURATION OF LEVELS AND / OR DISTANCE IN CONNECTION WITH IN A CONTAINER CONTENT, LIQUID CONDUCTIVE MATERIAL
SE420649B (en) * 1976-05-20 1981-10-19 Atomenergi Ab DEVICE FOR ELECTROMAGNETIC SEATING AT HIGH TEMERATURE OF ATMINDTONE ONE OF THE SIZES LEVEL, DISTANCE AND SPEED IN CONNECTION WITH A CONTAINER, CHANNEL OR SIMILAR CONTENT OF FLUID LEADING MATERIALS WITH MUCH ...
CH624323A5 (en) * 1977-09-19 1981-07-31 Atomenergi Ab
JPS5516749A (en) 1978-07-24 1980-02-05 Nissan Motor Co Ltd Coated electrode for surface hardening pudding
LU80410A1 (en) * 1978-10-25 1980-05-07 Arbed METHOD FOR MEASURING THE LEVEL OF METALS IN CONTAINERS, ESPECIALLY IN CONTINUOUS CASTING CHILLERS
DE2951097C2 (en) * 1979-12-19 1982-07-22 Wieland-Werke Ag, 7900 Ulm Method and device for controlling the mold level in continuous casting molds
EP0060800B1 (en) * 1981-03-18 1986-06-11 Arbed S.A. Method and device for measuring the filling level in continuous-casting moulds
LU83699A1 (en) * 1981-10-16 1983-06-08 Arbed METHOD FOR MONITORING A CONTINUOUS CHOCOLATE IN OPERATION
LU83969A1 (en) * 1982-02-23 1983-09-02 Arbed METHOD FOR MEASURING THE LEVEL OF LIQUID METALS IN CONTINUOUS CASTING PLANTS
SE451507B (en) * 1982-12-06 1987-10-12 Studsvik Energiteknik Ab PROCEDURE AND DEVICE FOR SURGERY OF THE REMAINING QUANTITY OF MELTED METAL ON THE BOTTOM OR DIFFERENTLY OF A CONTAINER IN CONNECTION WITH THE DISPOSAL OF MELTED METAL FROM THE CONTAINER
AT377935B (en) * 1983-07-21 1985-05-28 Voest Alpine Ag METHOD FOR CONTROLLING THE SURFACE TEXTURE OF THE STRAND SHELL OF A CONTINUOUSLY CASTED METAL STRAND
JPS60152347A (en) 1984-01-18 1985-08-10 Mitsubishi Heavy Ind Ltd Mold cooler for belt type continuous casting machine
DE3500978A1 (en) * 1985-01-14 1986-07-17 INTERATOM GmbH, 5060 Bergisch Gladbach METHOD FOR REGULATING A GIESS- OR. CONVEYOR DEVICE FOR FILLING A CAST MOLD WITH LIQUID METAL AND RELATED CAST MOLD AND DEVICE FOR IMPLEMENTING THE METHOD
LU85754A1 (en) * 1985-02-01 1986-09-02 Arbed DEVICE FOR MEASURING THE FILLING LEVEL OF LIQUID METALS IN CONTAINERS
DE3722795A1 (en) * 1987-07-10 1989-01-19 Amepa DEVICE FOR DETECTING SLAG FLOWING IN A FLOW OF A METAL MELT

Also Published As

Publication number Publication date
DE69025445D1 (en) 1996-03-28
KR930007115B1 (en) 1993-07-30
EP0419104A2 (en) 1991-03-27
CA2025187A1 (en) 1991-03-20
AU618686B2 (en) 1992-01-02
AU6242990A (en) 1991-03-28
KR910005951A (en) 1991-04-27
CA2025187C (en) 1994-02-01
EP0419104B1 (en) 1996-02-21
EP0419104A3 (en) 1993-03-31
US5103893A (en) 1992-04-14
DE69025445T2 (en) 1996-09-05

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